3692921 - eDocument submission results in error "HTTP Client is not connected"

• When triggering an electronic document submission or data reporting process in SAP Document and Reporting Compliance, cloud edition, the error message "HTTP Client is not connected." (GCO_ECOM_MESSAGES 010) is displayed.
  

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• SAP ERP
• SAP S/4HANA
• SAP S/4HANA Cloud Private Edition
• SAP Document and Reporting Compliance, Cloud Edition

HTTP Client is not connected, GCO_ECOM_MESSAGES 010, GCO_ECOM_MESSAGES 503, GCO_ECOM_MESSAGES 504, GCO_ECOM_MESSAGES 505, GCO_ECOM_MESSAGES 506, GCO_ECOM_MESSAGES 507, GCO_ECOM_MESSAGES 508, GCO_ECOM_MESSAGES 509, GCO_ECOM_MESSAGES 510, GCO_ECOM_MESSAGES 511, GCO_ECOM_MESSAGES 512, GCO_ECOM_MESSAGES 513, SHTTP 853, SHTTP 833, SHTTP 852, SHTTP 854, SHTTP 069, SHTTP 839, SHTTP 855, SHTTP 856, SHTTP 857, SHTTP 858, SHTTP 859, HTTP connection failed, RFC destination not found, destination not maintained, destination not configured, SM59, RFC connection, HTTP connection to external server, communication system not maintained, SAP_COM_0854, HTTP plugin not active, Error in URL, proxy service wrong format, http/scc_proxy, OAuth configuration invalid, OAuth 2.0 client profile, GCO_ECOM_OAUTH_PROFILE, OAuth token error, missing authorization OAuth , KBA , CA-GTF-CSC-DRC-COM , Document and Reporting Compliance Communication to Cloud , CA-GTF-CSC-EDO , Electronic Document Processing Framework , How To